Theory of Machine Elements of pairs held together mechanically is known as Closed pair Mechanical pair Rolling pair Open pair Closed pair Mechanical pair Rolling pair Open pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In vibration isolation system, if ω/ωn < 2, then for all values of damping factor, the transmissibility will be (where ω = Angular speed of the system, ωn = Natural frequency of vibration of the system) Less than unity Zero Equal to unity Greater than unity Less than unity Zero Equal to unity Greater than unity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is There is no such relationship Equal to sum of other two Greater than sum of other two Less than sum of other two There is no such relationship Equal to sum of other two Greater than sum of other two Less than sum of other two ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction) α = 90° - φ α = 45° - φ/2 α = 45° + φ/2 α = 90° + φ α = 90° - φ α = 45° - φ/2 α = 45° + φ/2 α = 90° + φ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The contact ratio is given by (Length of the arc of approach)/cosφ (Length of path of recess)/(Circular pitch) (Length of the path of approach)/(Circular pitch) (Length of the arc of contact)/(Circular pitch) (Length of the arc of approach)/cosφ (Length of path of recess)/(Circular pitch) (Length of the path of approach)/(Circular pitch) (Length of the arc of contact)/(Circular pitch) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A Hartnell governor is a Pendulum type governor Dead weight governor Spring loaded governor Inertia governor Pendulum type governor Dead weight governor Spring loaded governor Inertia governor ANSWER DOWNLOAD EXAMIANS APP
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